Regarding the point made about the price increases, without getting political (well...as much as a Tory Brexiteer can remain neutral); the pound vs the euro exchange rate has played a big part here. For example, in May 2016 just before the referendum, £1 would buy you 1.31 euros. At today's exchange rate, £1 will buy you 1.17 euros.
Putting that into some raw figures, lets say in 2016 a Golf GTI was 42,000 euro, that would have been £32,061. At today's exchange rate, assuming the GTI's price has remained the same as it was in 2016 (although it hasn't!); 42,000 euros will now cost you £35,764. So without allowing for inflation or any price increases by VAG, the GTI costs £3703 more today than it did just before the run on the pound after the referendum.
I expect the value of the pound will gradually climb again now the political situation is more stable and certain, but depending on future trade agreements, VWs may be subject to tariffs pushing the price back up again. I'm not going to get political or open up a debate about Brexit on here, but that's an economic reality in this particular scenario.
Inflation over the same period has been relatively low at around 2/3%. Wage rises vary wildly between public and private sectors and within specific industries. I'm incredibly fortunate to have an excellent employer in a profitable business where those profits have resulted in annual pay rises at 2 or 3 times the rate of inflation, but a fully loaded brand new GTI is still at the very upper limit of what I am prepared to spend on a car.
I've always wanted a GTI and my only regret is that I didn't buy one ten years ago so I'd now be on my third instead of my first. Sadly with the looks of the mk8 and the way things are heading with petrol, the mk 7.5 may well be my last. My next car in around 3-4 years time will either be something electric or I'll pay the balloon on the GTI PCP and just keep it another 3 or 4 years on top. Nine months in and I'm still loving every second so that option has a certain appeal. And I'm normally someone who's fed up with a car after about six months and looking on AutoTrader before it's even had its first service!